Number | Date | Country | Kind |
---|---|---|---|
60-139660 | Jul 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4539521 | Matsumato | Sep 1985 | |
4560246 | Cotter | Dec 1985 | |
4584470 | Iizuka et al. | Apr 1986 |
Entry |
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"Studies of Optical Time Domain Reflectormetry in a Single-Mode Fiber", Aoyama et al., Yokosuka Elec. Communication Lab., Nippon Telegraph Telegram Co., 6/25/1981. |